study guides for every class
that actually explain what's on your next test
Cos
from class:
AP Calculus AB/BC
Definition
In trigonometry, cos(x) represents the ratio between the length of the adjacent side to angle x in a right triangle and its hypotenuse.
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.